//不要给我WA WA 叫
//一定AC
#include <iostream>
#include <cstdio>
#include <algorithm>
#include <set>
#include <map>
#include <cstring>
#include <string>
#include <unordered_map>
#include <unordered_set>
#include <vector>
#include <iomanip>
#include <climits>
#define int long long 
#define x first 
#define y second 
using namespace std;
const int N = 1e5 + 10;
int a[N];
void solve()
{
     bool f[8] = {0};
     bool f1[8] = {0};
     vector<string> vc(8);
     for(int i = 0; i < 8; i++)
     {
        cin >> vc[i];
     }
     for(int i = 0; i < 8; i++)
     {
        for(int j = 0; j < 8; j++)
        {
            if(vc[i][j] == '#')
            {
                f[i] = 1;
                f1[j] = 1;
            }
        }
     }
     int ans = 0;
     for(int i = 0; i < 8; i++)
     {
        for(int j = 0; j < 8; j++)
        {
            if(vc[i][j] == '.' && f[i] == 0 && f1[j] == 0)
            {
                ans++;
            }
        }
     }
     cout << ans << endl;
}
signed main()
{
    ios::sync_with_stdio(false);
    cin.tie(nullptr),cout.tie(nullptr);
    int t = 1;
    while(t -- )  solve();
    return 0;
}
